<template>
    <div>
        <ul>
            <li v-for="msg in messageList" :key="msg.id">
                <!--  跳珠路由并携带query参数，to的字符串写法 -->
                <!-- <router-link :to="`/home/message/detail/${msg.id}/${msg.title}`">
                    {{ msg.title }}
                </router-link>&nbsp;&nbsp; -->

                <!--  跳珠路由并携带query参数，to的对象写法 -->
                <router-link :to="{
                    // path:'/home/message/detail',
                    name:'xiangqing',
                    // params:{
                    //     //注：此种方式(params)不能使用path必须用name
                    //     id: msg.id,
                    //     title: msg.title
                    // }
                    query:{
                        id: msg.id,
                        title: msg.title
                    }

                }">
                    {{ msg.title }}
                </router-link>
                <button @click="pushShow(msg)">push查看</button>
                <button @click="replaceShow(msg)">replace查看</button>
            </li> 
        </ul>
        <hr>
        <keep-alive include="News">
            <router-view></router-view>
        </keep-alive>
    </div>
</template>
<script>
import { onBeforeUnmount } from 'vue'
export default {
    name:'Message',
    setup(){
        onBeforeUnmount(()=>{
            console.log('Message组件被销毁了')
        })
    },  
    data(){
        return {
            messageList:[
                {id: '001', title: '消息001'},
                {id: '002', title: '消息002'},
                {id: '003', title: '消息003'},
            ]
        }
    },
     methods:{
        pushShow(msg){
            // console.log('$$$$',this.$router)
            this.$router.push({
                name:'xiangqing',
                
                query:{
                    id: msg.id,
                    title: msg.title
                }
            })
        },
        replaceShow(msg){
            this.$router.replace({
                name: 'xiangqing',
                query:{
                    id: msg.id,
                    title: msg.title
                }
            })
        }
     }
}
</script>

<style>

</style>